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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Key value for chemical safety assessment

Additional information



Zn (IT) IDHA was tested in the Ames test, with use of five strains of Salmonella typhimurium(TA 97, TA 98, TA 100, TA 102 and TA 1535) with and without the addition of activation system (S9) for mutagenicity in concentration range from 1 to 0.0001 mg/plate.

The Zn (II) IDHA produce neither a statistically significant dose-related increase in the number of revertants nor a statistically significant and reproducible positive response at any one of the test points and according these results is considered non mutagenic in this system.

Endpoint Conclusion: No adverse effect observed (negative)

Justification for classification or non-classification